1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/MRx4c8-sse.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2020 Google LLC
6 //
7 // This source code is licensed under the BSD-style license found in the
8 // LICENSE file in the root directory of this source tree.
9
10 #include <assert.h>
11
12 #if defined(__GNUC__) || defined(__clang__)
13 #include <x86intrin.h>
14 #else
15 #include <immintrin.h>
16 #include <ammintrin.h>
17 #endif
18
19 #include <xnnpack/igemm.h>
20 #include <xnnpack/math.h>
21 #include <xnnpack/unaligned.h>
22
23
xnn_qs8_igemm_minmax_fp32_ukernel_2x4c8__xop_ld64(size_t mr,size_t nc,size_t kc,size_t ks,const int8_t ** restrict a,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const int8_t * zero,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])24 void xnn_qs8_igemm_minmax_fp32_ukernel_2x4c8__xop_ld64(
25 size_t mr,
26 size_t nc,
27 size_t kc,
28 size_t ks,
29 const int8_t** restrict a,
30 const void* restrict w,
31 int8_t* restrict c,
32 size_t cm_stride,
33 size_t cn_stride,
34 size_t a_offset,
35 const int8_t* zero,
36 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
37 {
38 assert(mr != 0);
39 assert(mr <= 2);
40 assert(nc != 0);
41 assert(kc != 0);
42 assert(ks != 0);
43 assert(ks % (2 * sizeof(void*)) == 0);
44 assert(a_offset % sizeof(int8_t) == 0);
45 assert(a != NULL);
46 assert(w != NULL);
47 assert(c != NULL);
48
49 kc = round_up_po2(kc, 8);
50 int8_t* c0 = c;
51 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
52 if XNN_UNPREDICTABLE(mr != 2) {
53 c1 = c0;
54 }
55
56 do {
57 __m128i vacc0x0 = _mm_cvtsi32_si128(((const int*) w)[0]);
58 __m128i vacc0x1 = _mm_cvtsi32_si128(((const int*) w)[1]);
59 __m128i vacc0x2 = _mm_cvtsi32_si128(((const int*) w)[2]);
60 __m128i vacc0x3 = _mm_cvtsi32_si128(((const int*) w)[3]);
61 __m128i vacc1x0 = vacc0x0;
62 __m128i vacc1x1 = vacc0x1;
63 __m128i vacc1x2 = vacc0x2;
64 __m128i vacc1x3 = vacc0x3;
65 w = (const int32_t*) w + 4;
66
67 size_t p = ks;
68 do {
69 const int8_t* restrict a0 = a[0];
70 if XNN_UNPREDICTABLE(a0 != zero) {
71 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
72 }
73 const int8_t* restrict a1 = a[1];
74 if XNN_UNPREDICTABLE(a1 != zero) {
75 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
76 }
77 a += 2;
78
79 size_t k = 0;
80 while (k < kc) {
81 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
82 const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
83 a0 += 8;
84 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
85 const __m128i vxa1 = _mm_cvtepi8_epi16(va1);
86 a1 += 8;
87
88 const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
89 const __m128i vxb0 = _mm_cvtepi8_epi16(vb0);
90
91 vacc0x0 = _mm_maddd_epi16(vxa0, vxb0, vacc0x0);
92 vacc1x0 = _mm_maddd_epi16(vxa1, vxb0, vacc1x0);
93 const __m128i vb1 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 8));
94 const __m128i vxb1 = _mm_cvtepi8_epi16(vb1);
95
96 vacc0x1 = _mm_maddd_epi16(vxa0, vxb1, vacc0x1);
97 vacc1x1 = _mm_maddd_epi16(vxa1, vxb1, vacc1x1);
98 const __m128i vb2 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 16));
99 const __m128i vxb2 = _mm_cvtepi8_epi16(vb2);
100
101 vacc0x2 = _mm_maddd_epi16(vxa0, vxb2, vacc0x2);
102 vacc1x2 = _mm_maddd_epi16(vxa1, vxb2, vacc1x2);
103 const __m128i vb3 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 24));
104 const __m128i vxb3 = _mm_cvtepi8_epi16(vb3);
105
106 vacc0x3 = _mm_maddd_epi16(vxa0, vxb3, vacc0x3);
107 vacc1x3 = _mm_maddd_epi16(vxa1, vxb3, vacc1x3);
108
109 w = (const void*) ((const int8_t*) w + 32);
110 k += 8 * sizeof(int8_t);
111 }
112 p -= 2 * sizeof(void*);
113 } while (p != 0);
114
115 const __m128i vacc0x01 = _mm_hadd_epi32(vacc0x0, vacc0x1);
116 const __m128i vacc0x23 = _mm_hadd_epi32(vacc0x2, vacc0x3);
117 const __m128i vacc1x01 = _mm_hadd_epi32(vacc1x0, vacc1x1);
118 const __m128i vacc1x23 = _mm_hadd_epi32(vacc1x2, vacc1x3);
119
120 __m128i vacc0x0123 = _mm_hadd_epi32(vacc0x01, vacc0x23);
121 __m128i vacc1x0123 = _mm_hadd_epi32(vacc1x01, vacc1x23);
122
123 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
124 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
125
126 const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
127 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
128 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale);
129
130 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
131 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
132 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
133
134 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
135 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
136
137 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
138 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
139
140
141 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc01x0123);
142
143 vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
144
145 if (nc >= 4) {
146 unaligned_store_u32(c1, (uint32_t) _mm_extract_epi32(vout, 1));
147 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
148 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
149 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
150
151 a = (const int8_t**restrict) ((uintptr_t) a - ks);
152
153 nc -= 4;
154 } else {
155 if (nc & 2) {
156 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
157 c1 += 2;
158 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
159 c0 += 2;
160 vout = _mm_srli_epi32(vout, 16);
161 }
162 if (nc & 1) {
163 *c1 = (int8_t) _mm_extract_epi8(vout, 4);
164 *c0 = (int8_t) _mm_extract_epi8(vout, 0);
165 }
166
167 nc = 0;
168 }
169 } while (nc != 0);
170 }
171